MEMORY PARTITIONS

 

 

Table 3-8. Windows (Continued)

 

 

 

 

 

 

 

 

 

 

WSR Value

WSR Value

 

WSR Value for

Base Address

 

for 32-byte Window

for 64-byte Window

 

128-byte Window

 

 

(00E0–00FFH)

(00C0–00FFH)

 

(0080–00FFH)

 

 

 

 

 

 

Upper Register File

 

 

 

 

 

 

 

 

 

03E0H

 

5FH

 

 

 

03C0H

 

5EH

2FH

 

 

03A0H

 

5DH

 

 

 

0380H

 

5CH

2EH

 

17H

0360H

 

5BH

 

 

 

0340H

 

5AH

2DH

 

 

0320H

 

59H

 

 

 

0300H

 

58H

2CH

 

16H

02E0H

 

57H

 

 

 

02C0H

 

56H

2BH

 

 

02A0H

 

55H

 

 

 

0280H

 

54H

2AH

 

15H

0260H

 

53H

 

 

 

0240H

 

52H

29H

 

 

0220H

 

51H

 

 

 

0200H

 

50H

28H

 

14H

01E0H

 

4FH

 

 

 

01C0H

 

4EH

27H

 

 

01A0H

 

4DH

 

 

 

0180H

 

4CH

26H

 

13H

0160H

 

4BH

 

 

 

0140H

 

4AH

25H

 

 

0120H

 

49H

 

 

 

0100H

 

48H

24H

 

12H

Locations 1FE0–1FFFH contain memory-mapped SFRs that cannot be accessed through a window. Reading these locations through a window returns FFH; writing these locations through a window has no effect.

3-11

Page 34
Image 34
Intel 87C196CB, 8XC196NT user manual Upper Register File

8XC196NT, 87C196CB specifications

The Intel 87C196CB and 8XC196NT are microcontrollers from the C196 family, which was designed to meet the demands of embedded control technology. These microcontrollers are popular in various applications due to their robust architecture, extensive I/O capabilities, and specialized functionality, making them ideal for automotive, industrial, and communication systems.

The 87C196CB is distinguished by its 16-bit architecture, offering a balance of processing power and efficiency. It features a 16-bit data bus, which allows for fast data processing, and a 16-bit address bus, supporting up to 64KB of program memory. The microcontroller integrates on-chip memory, including 2KB of ROM and 128 bytes of RAM, which facilitates faster execution of programs and data handling.

One of the standout features of the 87C196CB is its versatility in I/O operations. It comes equipped with 32 general-purpose I/O lines that can be configured for various functions, including input, output, and interrupt handling. This flexibility enables developers to optimize the microcontroller for their specific application needs.

The 8XC196NT builds on the capabilities of its predecessor, offering advanced functionalities such as an enhanced instruction set and integrated peripherals. It includes additional features like timers, serial communication interfaces, and analog-to-digital converters, which expand its usability in complex embedded systems. The 8XC196NT supports multiple addressing modes, allowing for more efficient programming and memory management.

Both microcontrollers utilize innovative technologies that improve performance and power efficiency. The on-chip operating system support aids in real-time processing and multitasking, making them suitable for time-sensitive applications. Power management features are also incorporated, allowing these microcontrollers to operate in low-power modes, which is crucial for battery-operated devices.

The 87C196CB and 8XC196NT microcontrollers are characterized by their reliability and long service life, meeting the stringent demands of industrial applications. Their ability to perform tasks rapidly, combined with their diverse peripheral support, makes them popular choices among engineers and developers designing embedded systems. Overall, the Intel 87C196CB and 8XC196NT microcontrollers remain relevant in the rapidly evolving landscape of embedded technology, facilitating innovative solutions across various industries.